Oct 27 18:46:37.197 INFO checking nexrs-0.1.0 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 18:46:37.199 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +19f01b935b91481fd445b16b533d2f87661bf12e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 27 18:46:37.668 INFO blam! 6a17399c5342d5dd3ff203ee0b4f584c9e3d706e2a222919dce4ca7990dbeb31
Oct 27 18:46:37.673 INFO running `"docker" "start" "-a" "6a17399c5342d5dd3ff203ee0b4f584c9e3d706e2a222919dce4ca7990dbeb31"`
Oct 27 18:46:38.663 INFO kablam! usermod: no changes
Oct 27 18:46:38.706 INFO kablam!     Checking nexrs v0.1.0 (/source)
Oct 27 18:46:39.155 INFO kablam! warning: unused import: `std::error::Error`
Oct 27 18:46:39.155 INFO kablam!  --> src/discovery.rs:2:5
Oct 27 18:46:39.155 INFO kablam!   |
Oct 27 18:46:39.156 INFO kablam! 2 | use std::error::Error;
Oct 27 18:46:39.156 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.156 INFO kablam!   |
Oct 27 18:46:39.156 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 18:46:39.156 INFO kablam! 
Oct 27 18:46:39.156 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Oct 27 18:46:39.156 INFO kablam!  --> src/discovery.rs:6:5
Oct 27 18:46:39.156 INFO kablam!   |
Oct 27 18:46:39.156 INFO kablam! 6 | use std::io::Result as IoResult;
Oct 27 18:46:39.156 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.156 INFO kablam! 
Oct 27 18:46:39.156 INFO kablam! warning: unused import: `discovery::*`
Oct 27 18:46:39.156 INFO kablam!  --> src/main.rs:4:5
Oct 27 18:46:39.156 INFO kablam!   |
Oct 27 18:46:39.156 INFO kablam! 4 | use discovery::*;
Oct 27 18:46:39.156 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 18:46:39.156 INFO kablam! 
Oct 27 18:46:39.156 INFO kablam! warning: unused import: `SocketAddr`
Oct 27 18:46:39.156 INFO kablam!  --> src/main.rs:5:16
Oct 27 18:46:39.156 INFO kablam!   |
Oct 27 18:46:39.156 INFO kablam! 5 | use std::net::{SocketAddr};
Oct 27 18:46:39.156 INFO kablam!   |                ^^^^^^^^^^
Oct 27 18:46:39.156 INFO kablam! 
Oct 27 18:46:39.211 INFO kablam! warning: unused variable: `buf`
Oct 27 18:46:39.211 INFO kablam!   --> src/discovery.rs:86:17
Oct 27 18:46:39.211 INFO kablam!    |
Oct 27 18:46:39.211 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.211 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Oct 27 18:46:39.211 INFO kablam!    |
Oct 27 18:46:39.211 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 18:46:39.211 INFO kablam! 
Oct 27 18:46:39.216 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.216 INFO kablam!   --> src/discovery.rs:16:9
Oct 27 18:46:39.216 INFO kablam!    |
Oct 27 18:46:39.216 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Oct 27 18:46:39.216 INFO kablam!    |         ----^^^^^^
Oct 27 18:46:39.216 INFO kablam!    |         |
Oct 27 18:46:39.216 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.216 INFO kablam!    |
Oct 27 18:46:39.216 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 18:46:39.216 INFO kablam! 
Oct 27 18:46:39.216 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.216 INFO kablam!   --> src/discovery.rs:36:9
Oct 27 18:46:39.216 INFO kablam!    |
Oct 27 18:46:39.216 INFO kablam! 36 |     let mut addr = addr_iter
Oct 27 18:46:39.216 INFO kablam!    |         ----^^^^
Oct 27 18:46:39.216 INFO kablam!    |         |
Oct 27 18:46:39.216 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.216 INFO kablam! 
Oct 27 18:46:39.219 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.219 INFO kablam!   --> src/discovery.rs:86:13
Oct 27 18:46:39.219 INFO kablam!    |
Oct 27 18:46:39.220 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.220 INFO kablam!    |             ----^^^
Oct 27 18:46:39.220 INFO kablam!    |             |
Oct 27 18:46:39.220 INFO kablam!    |             help: remove this `mut`
Oct 27 18:46:39.220 INFO kablam! 
Oct 27 18:46:39.221 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.221 INFO kablam!   --> src/discovery.rs:87:9
Oct 27 18:46:39.221 INFO kablam!    |
Oct 27 18:46:39.221 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.221 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.221 INFO kablam!    |
Oct 27 18:46:39.221 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 18:46:39.221 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.221 INFO kablam! 
Oct 27 18:46:39.221 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.221 INFO kablam!   --> src/discovery.rs:88:9
Oct 27 18:46:39.221 INFO kablam!    |
Oct 27 18:46:39.221 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.221 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.221 INFO kablam!    |
Oct 27 18:46:39.221 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.221 INFO kablam! 
Oct 27 18:46:39.324 INFO kablam! warning: unused import: `std::error::Error`
Oct 27 18:46:39.324 INFO kablam!  --> src/discovery.rs:2:5
Oct 27 18:46:39.324 INFO kablam!   |
Oct 27 18:46:39.324 INFO kablam! 2 | use std::error::Error;
Oct 27 18:46:39.324 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.324 INFO kablam!   |
Oct 27 18:46:39.324 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 18:46:39.324 INFO kablam! 
Oct 27 18:46:39.325 INFO kablam! warning: unused import: `std::io::Result as IoResult`
Oct 27 18:46:39.325 INFO kablam!  --> src/discovery.rs:6:5
Oct 27 18:46:39.325 INFO kablam!   |
Oct 27 18:46:39.325 INFO kablam! 6 | use std::io::Result as IoResult;
Oct 27 18:46:39.325 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.325 INFO kablam! 
Oct 27 18:46:39.325 INFO kablam! warning: unused import: `discovery::*`
Oct 27 18:46:39.325 INFO kablam!  --> src/main.rs:4:5
Oct 27 18:46:39.325 INFO kablam!   |
Oct 27 18:46:39.325 INFO kablam! 4 | use discovery::*;
Oct 27 18:46:39.325 INFO kablam!   |     ^^^^^^^^^^^^
Oct 27 18:46:39.325 INFO kablam! 
Oct 27 18:46:39.325 INFO kablam! warning: unused import: `SocketAddr`
Oct 27 18:46:39.325 INFO kablam!  --> src/main.rs:5:16
Oct 27 18:46:39.325 INFO kablam!   |
Oct 27 18:46:39.325 INFO kablam! 5 | use std::net::{SocketAddr};
Oct 27 18:46:39.325 INFO kablam!   |                ^^^^^^^^^^
Oct 27 18:46:39.325 INFO kablam! 
Oct 27 18:46:39.370 INFO kablam! warning: unused variable: `buf`
Oct 27 18:46:39.370 INFO kablam!   --> src/discovery.rs:86:17
Oct 27 18:46:39.370 INFO kablam!    |
Oct 27 18:46:39.370 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.370 INFO kablam!    |                 ^^^ help: consider using `_buf` instead
Oct 27 18:46:39.370 INFO kablam!    |
Oct 27 18:46:39.370 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 18:46:39.370 INFO kablam! 
Oct 27 18:46:39.392 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.392 INFO kablam!   --> src/discovery.rs:16:9
Oct 27 18:46:39.392 INFO kablam!    |
Oct 27 18:46:39.392 INFO kablam! 16 |     let mut cmd_if = Command::new("ifconfig")
Oct 27 18:46:39.392 INFO kablam!    |         ----^^^^^^
Oct 27 18:46:39.392 INFO kablam!    |         |
Oct 27 18:46:39.392 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.392 INFO kablam!    |
Oct 27 18:46:39.392 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 18:46:39.392 INFO kablam! 
Oct 27 18:46:39.392 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.392 INFO kablam!   --> src/discovery.rs:36:9
Oct 27 18:46:39.392 INFO kablam!    |
Oct 27 18:46:39.392 INFO kablam! 36 |     let mut addr = addr_iter
Oct 27 18:46:39.392 INFO kablam!    |         ----^^^^
Oct 27 18:46:39.392 INFO kablam!    |         |
Oct 27 18:46:39.392 INFO kablam!    |         help: remove this `mut`
Oct 27 18:46:39.392 INFO kablam! 
Oct 27 18:46:39.392 INFO kablam! warning: variable does not need to be mutable
Oct 27 18:46:39.392 INFO kablam!   --> src/discovery.rs:86:13
Oct 27 18:46:39.392 INFO kablam!    |
Oct 27 18:46:39.392 INFO kablam! 86 |         let mut buf: [u8; 32] = [0; 32];
Oct 27 18:46:39.392 INFO kablam!    |             ----^^^
Oct 27 18:46:39.392 INFO kablam!    |             |
Oct 27 18:46:39.392 INFO kablam!    |             help: remove this `mut`
Oct 27 18:46:39.392 INFO kablam! 
Oct 27 18:46:39.392 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.393 INFO kablam!   --> src/discovery.rs:87:9
Oct 27 18:46:39.393 INFO kablam!    |
Oct 27 18:46:39.393 INFO kablam! 87 |         stream.set_write_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.393 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.393 INFO kablam!    |
Oct 27 18:46:39.393 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 27 18:46:39.393 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.393 INFO kablam! 
Oct 27 18:46:39.393 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 18:46:39.393 INFO kablam!   --> src/discovery.rs:88:9
Oct 27 18:46:39.393 INFO kablam!    |
Oct 27 18:46:39.393 INFO kablam! 88 |         stream.set_read_timeout(Some(Duration::new(3, 0)));
Oct 27 18:46:39.393 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 18:46:39.393 INFO kablam!    |
Oct 27 18:46:39.393 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 18:46:39.393 INFO kablam! 
Oct 27 18:46:39.396 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Oct 27 18:46:39.401 INFO kablam! su: No module specific data is present
Oct 27 18:46:39.673 INFO running `"docker" "rm" "-f" "6a17399c5342d5dd3ff203ee0b4f584c9e3d706e2a222919dce4ca7990dbeb31"`
Oct 27 18:46:39.743 INFO blam! 6a17399c5342d5dd3ff203ee0b4f584c9e3d706e2a222919dce4ca7990dbeb31